Doctor profile · Federal record
Dr. William Kantar, M.D.
Psychiatry Physician (CMS: Psychiatry) · Newton, MA
- NPI 1336233642
- Accepts Medicare
- 64 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
382 Kenrick St
Newton, MA 024582708
(617) 969-2084
fax (617) 965-4821
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 25, 2012
- Year of graduation
- 1962 — 64 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Massachusetts #27796
- Medicaid
- MA #0144312
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336233642. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
744
Distinct HCPCS
3
Medicare allowed
$70,291
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 372 | 33 | $99 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 302 | 29 | $93 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 70 | 14 | $74 |
In context: peer comparison
Among 8 peers in Newton Psychiatry Physician, average services per provider: 263. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
593
Patients
54
Total drug cost
$23,305
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 143 | 14 | $1,326 |
| Clonazepam | Generic | 110 | 13 | $1,383 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 52 | 0 | $1,999 |
| Quetiapine Fumarate | Generic | 51 | 15 | $3,567 |
| Diazepam | Generic | 45 | 0 | $638 |
| Aripiprazole | Generic | 44 | 12 | $8,533 |
| Olanzapine | Generic | 30 | 0 | $1,983 |
| Escitalopram Oxalate | Generic | 27 | 0 | $760 |
| Lorazepam | Generic | 26 | 0 | $216 |
| Clozapine | Generic | 23 | 0 | $516 |
Frequently asked questions
What is Dr. William Kantar's medical specialty?
Dr. William Kantar practices Psychiatry Physician in Newton, MA.
Where does Dr. William Kantar practice?
Dr. William Kantar practices at 382 Kenrick St, Newton, MA 024582708. Office phone: 6179692084.
What is Dr. William Kantar's NPI?
Dr. William Kantar's National Provider Identifier (NPI) is 1336233642, issued by NPPES.
Does Dr. William Kantar accept Medicare assignment?
Yes. Dr. William Kantar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Kantar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90836); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.